Battery compound



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4 E, HANSON AIQ'D Il'OllVAlilDv EOE film ST. PAUL, META.

BATTERY COMPOUND.

I Ho Drawing.

To allwhom it may mam; 7

Be it known that we ALBERT Humor: and HOWARD Mom, citizens of the United Studies, residing at St. Paul, in the county of Ramsey and State of Minnesota, have 111- vented certain new and useful liiipro vemeiitshn Battery Compounds, of which the following is e specification.

Our infiention relates to compounds. need in electric batteries, and the object is, to

provide a battery compound having impolitent ports of vthe compound in solid form so that it may he carried in a. comparatively smell space and i'eedily deposited into the liquid in the battery in any desired quentil;

'lhe dry part of our compound of com osition consists of a mixture of Epsom so ts, powdered alum, glycerine' hydrate of potash, and ammonium sulphate. The liquid portion is composed of distilled water and sul huric acid.

npreporing the liquid we prefer to mix the ingredients in about the proportion of eightgallons of distilled water. and about two gallons of sulphuric acid bringing a gravity test of 1.175 and into such quantity Application filed Scptemher 9, 1922; Serial No. 587,216.

of ten gallons of liquid we deposit a, cake I of the solid port of the compound, which v part we prefer to compose of about five 3 glycerinc, hydrate of potash and ammonium 4,0 7 I sulphate. v e i i 2. The compound specified in claim 1 with. said ingredients in about the following pro portions, five pounds of Epsom salts, onehalf pound of powdered alum, three gills of co glycci'ine, four ounces of hydrate of potash,

and four ounces of ammonium sulphate.

3. The combination of the dry compound specified in oleim QWith a liquid composed of distilled water and sulphuric acid.

In testimony whereof We uiiix our signatures.

r i ALBERT E. HANSON.

HOWARD MOE. I 

